St. Thomas Aquinas Grade School

The Catholic Community of Saint Thomas Aquinas Grade School is a partnership of parents, teachers, staff, students, and all parishioners that strive to nurture the growth of the whole child in a Catholic, faith-based environment.
We seek to promote academic excellence in a safe and nurturing environment while fostering responsibility, positive discipline, service to others, and life-long learning.
We believe the role of Saint Thomas Aquinas Grade School is to provide a holistic Catholic environment that serves the mind, body, and soul of each child.
Within this environment, basic intellectual skills are developed, religious traditions are celebrated, and students are prepared to live in and make a vital contribution to a changing society.

Quick Facts (2026)

  • Top-Ranked AZ School
  • Grades: Prekindergarten-8
  • Enrollment: 379 students
  • Average class size: 24 students
  • Application Deadline: None / Rolling
  • Source: Verified school update

Top Rankings

St. Thomas Aquinas Grade School ranks among the top 20% of private schools in Arizona for:

Category
Attribute

School Overview

School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades Prekindergarten-8
School Calendar

Student Body

Total Students
379 students
Student Body Type
Co-ed
% Students of Color
63%
State avg.: 39%
Students by Grade
St. Thomas Aquinas Grade School Student By Grade

Academics and Faculty

Total Classroom Teachers
23 teachers
Student-Teacher Ratio
16:1
National avg.: 13:1
Average Class Size
24 students

Tuition and Acceptance Rate

Admission Deadline
None / Rolling
Application URL
Source: Verified school update

Frequently Asked Questions

What schools are St. Thomas Aquinas Grade School often compared to?
St. Thomas Aquinas Grade School is often viewed alongside schools like St. John Vianney Catholic School by visitors of our site.
What is St. Thomas Aquinas Grade School's ranking?
St. Thomas Aquinas Grade School ranks among the top 20% of private schools in Arizona for: Largest student body.
When is the application deadline for St. Thomas Aquinas Grade School?
The application deadline for St. Thomas Aquinas Grade School is rolling (applications are reviewed as they are received year-round).

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Quick Facts (2026)

  • Top-Ranked AZ School
  • Grades: Prekindergarten-8
  • Enrollment: 379 students
  • Average class size: 24 students
  • Application Deadline: None / Rolling
  • Source: Verified school update

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Did You Know?

The average private school tuition in Maricopa County, AZ is $13,589 for elementary schools and $16,613 for high schools (read more about average private school tuition across the country).
The average acceptance rate in Maricopa County, AZ is 86% (read more about average acceptance rates across the country).

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